package com.qk.mapper;

import com.qk.dto.CourseDto;
import com.qk.entity.Course;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface CourseMapper {


    List<Course> list(CourseDto courseDto);

   @Delete( "delete from course where id= #{id}")
    void delete(Integer id);

   @Insert( "insert into course (name,subject,price,target,description,create_time,update_time) values(#{name},#{subject},#{price},#{target},#{description},#{createTime},#{updateTime})")
    void add(Course course);

   @Select( "select id,name,subject,price,target,description,update_time,create_time from course where id= #{id}")
    Course getById(Integer id);

    void update(Course course);
    @Select("select id,name,subject,price,target,description,update_time,create_time from course")
    List<Course> geyAll();
    @Select("select id,name,subject,price,target,description,update_time,create_time from course where subject= #{subject}")
    List<Course> getBySubject(Integer subject);
}
